vivicamtz2015 vivicamtz2015
  • 12-10-2016
  • Mathematics
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idk this i need answer (4+r)4=8

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Iink
Iink Iink
  • 12-10-2016
(4+r)4=8

16 + 4r = 8

4r = -8 

 r = -2

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